Upgraded to 5.7 and have a new in the box 5.0 mercruiser rebuilt ready to deliver free of charge within 100 miles of Fredericksburg Va. Engine is at Coles Marine(804-472-2922SAM) for viewing and questions. Engine is turn key -only need to bolt it down and start. $3500.00 Thanks, Mike 703-843-3122 or radertire@verizon.net